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path: root/drivers/staging/comedi/drivers/das16m1.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/das16m1.c')
-rw-r--r--drivers/staging/comedi/drivers/das16m1.c132
1 files changed, 73 insertions, 59 deletions
diff --git a/drivers/staging/comedi/drivers/das16m1.c b/drivers/staging/comedi/drivers/das16m1.c
index 3da8bf47cbf6..c403d8827434 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -120,36 +120,41 @@ irq can be omitted, although the cmd interface will not work without it.
static const struct comedi_lrange range_das16m1 = { 9,
{
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- BIP_RANGE(10),
- }
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ BIP_RANGE(10),
+ }
};
-static int das16m1_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data);
-static int das16m1_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data);
-static int das16m1_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data);
-
-static int das16m1_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_cmd *cmd);
-static int das16m1_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s);
-static int das16m1_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
+static int das16m1_do_wbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das16m1_di_rbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das16m1_ai_rinsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+
+static int das16m1_cmd_test(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_cmd *cmd);
+static int das16m1_cmd_exec(struct comedi_device *dev,
+ struct comedi_subdevice *s);
+static int das16m1_cancel(struct comedi_device *dev,
+ struct comedi_subdevice *s);
static int das16m1_poll(struct comedi_device *dev, struct comedi_subdevice *s);
static irqreturn_t das16m1_interrupt(int irq, void *d);
static void das16m1_handler(struct comedi_device *dev, unsigned int status);
-static unsigned int das16m1_set_pacer(struct comedi_device *dev, unsigned int ns,
- int round_flag);
+static unsigned int das16m1_set_pacer(struct comedi_device *dev,
+ unsigned int ns, int round_flag);
static int das16m1_irq_bits(unsigned int irq);
@@ -160,12 +165,13 @@ struct das16m1_board {
static const struct das16m1_board das16m1_boards[] = {
{
- .name = "cio-das16/m1", /* CIO-DAS16_M1.pdf */
- .ai_speed = 1000, /* 1MHz max speed */
- },
+ .name = "cio-das16/m1", /* CIO-DAS16_M1.pdf */
+ .ai_speed = 1000, /* 1MHz max speed */
+ },
};
-static int das16m1_attach(struct comedi_device *dev, struct comedi_devconfig *it);
+static int das16m1_attach(struct comedi_device *dev,
+ struct comedi_devconfig *it);
static int das16m1_detach(struct comedi_device *dev);
static struct comedi_driver driver_das16m1 = {
.driver_name = "das16m1",
@@ -199,8 +205,8 @@ static inline short munge_sample(short data)
return (data >> 4) & 0xfff;
}
-static int das16m1_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_cmd *cmd)
+static int das16m1_cmd_test(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
unsigned int err = 0, tmp, i;
@@ -289,8 +295,10 @@ static int das16m1_cmd_test(struct comedi_device *dev, struct comedi_subdevice *
tmp = cmd->convert_arg;
/* calculate counter values that give desired timing */
i8253_cascade_ns_to_timer_2div(DAS16M1_XTAL,
- &(devpriv->divisor1), &(devpriv->divisor2),
- &(cmd->convert_arg), cmd->flags & TRIG_ROUND_MASK);
+ &(devpriv->divisor1),
+ &(devpriv->divisor2),
+ &(cmd->convert_arg),
+ cmd->flags & TRIG_ROUND_MASK);
if (tmp != cmd->convert_arg)
err++;
}
@@ -304,13 +312,13 @@ static int das16m1_cmd_test(struct comedi_device *dev, struct comedi_subdevice *
/* even/odd channels must go into even/odd queue addresses */
if ((i % 2) != (CR_CHAN(cmd->chanlist[i]) % 2)) {
comedi_error(dev, "bad chanlist:\n"
- " even/odd channels must go have even/odd chanlist indices");
+ " even/odd channels must go have even/odd chanlist indices");
err++;
}
}
if ((cmd->chanlist_len % 2) != 0) {
comedi_error(dev,
- "chanlist must be of even length or length 1");
+ "chanlist must be of even length or length 1");
err++;
}
}
@@ -321,7 +329,8 @@ static int das16m1_cmd_test(struct comedi_device *dev, struct comedi_subdevice *
return 0;
}
-static int das16m1_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s)
+static int das16m1_cmd_exec(struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
struct comedi_async *async = s->async;
struct comedi_cmd *cmd = &async->cmd;
@@ -345,20 +354,20 @@ static int das16m1_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *
/* remember current reading of counter so we know when counter has
* actually been loaded */
devpriv->initial_hw_count =
- i8254_read(dev->iobase + DAS16M1_8254_FIRST, 0, 1);
+ i8254_read(dev->iobase + DAS16M1_8254_FIRST, 0, 1);
/* setup channel/gain queue */
for (i = 0; i < cmd->chanlist_len; i++) {
outb(i, dev->iobase + DAS16M1_QUEUE_ADDR);
- byte = Q_CHAN(CR_CHAN(cmd->
- chanlist[i])) | Q_RANGE(CR_RANGE(cmd->
- chanlist[i]));
+ byte =
+ Q_CHAN(CR_CHAN(cmd->chanlist[i])) |
+ Q_RANGE(CR_RANGE(cmd->chanlist[i]));
outb(byte, dev->iobase + DAS16M1_QUEUE_DATA);
}
/* set counter mode and counts */
cmd->convert_arg =
- das16m1_set_pacer(dev, cmd->convert_arg,
- cmd->flags & TRIG_ROUND_MASK);
+ das16m1_set_pacer(dev, cmd->convert_arg,
+ cmd->flags & TRIG_ROUND_MASK);
/* set control & status register */
byte = 0;
@@ -392,8 +401,9 @@ static int das16m1_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
return 0;
}
-static int das16m1_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int das16m1_ai_rinsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i, n;
int byte;
@@ -405,8 +415,8 @@ static int das16m1_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *
/* setup channel/gain queue */
outb(0, dev->iobase + DAS16M1_QUEUE_ADDR);
- byte = Q_CHAN(CR_CHAN(insn->chanspec)) | Q_RANGE(CR_RANGE(insn->
- chanspec));
+ byte =
+ Q_CHAN(CR_CHAN(insn->chanspec)) | Q_RANGE(CR_RANGE(insn->chanspec));
outb(byte, dev->iobase + DAS16M1_QUEUE_DATA);
for (n = 0; n < insn->n; n++) {
@@ -429,8 +439,9 @@ static int das16m1_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *
return n;
}
-static int das16m1_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int das16m1_di_rbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
unsigned int bits;
@@ -441,8 +452,9 @@ static int das16m1_di_rbits(struct comedi_device *dev, struct comedi_subdevice *
return 2;
}
-static int das16m1_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int das16m1_do_wbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
unsigned int wbits;
@@ -552,7 +564,7 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
insw(dev->iobase, devpriv->ai_buffer, num_samples);
munge_sample_array(devpriv->ai_buffer, num_samples);
cfc_write_array_to_buffer(s, devpriv->ai_buffer,
- num_samples * sizeof(short));
+ num_samples * sizeof(short));
devpriv->adc_count += num_samples;
if (cmd->stop_src == TRIG_COUNT) {
@@ -577,17 +589,18 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
/* This function takes a time in nanoseconds and sets the *
* 2 pacer clocks to the closest frequency possible. It also *
* returns the actual sampling period. */
-static unsigned int das16m1_set_pacer(struct comedi_device *dev, unsigned int ns,
- int rounding_flags)
+static unsigned int das16m1_set_pacer(struct comedi_device *dev,
+ unsigned int ns, int rounding_flags)
{
i8253_cascade_ns_to_timer_2div(DAS16M1_XTAL, &(devpriv->divisor1),
- &(devpriv->divisor2), &ns, rounding_flags & TRIG_ROUND_MASK);
+ &(devpriv->divisor2), &ns,
+ rounding_flags & TRIG_ROUND_MASK);
/* Write the values of ctr1 and ctr2 into counters 1 and 2 */
i8254_load(dev->iobase + DAS16M1_8254_SECOND, 0, 1, devpriv->divisor1,
- 2);
+ 2);
i8254_load(dev->iobase + DAS16M1_8254_SECOND, 0, 2, devpriv->divisor2,
- 2);
+ 2);
return ns;
}
@@ -634,7 +647,8 @@ static int das16m1_irq_bits(unsigned int irq)
* 1 IRQ
*/
-static int das16m1_attach(struct comedi_device *dev, struct comedi_devconfig *it)
+static int das16m1_attach(struct comedi_device *dev,
+ struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
int ret;
@@ -652,14 +666,14 @@ static int das16m1_attach(struct comedi_device *dev, struct comedi_devconfig *it
dev->board_name = thisboard->name;
printk(" io 0x%lx-0x%lx 0x%lx-0x%lx",
- iobase, iobase + DAS16M1_SIZE,
- iobase + DAS16M1_82C55, iobase + DAS16M1_82C55 + DAS16M1_SIZE2);
+ iobase, iobase + DAS16M1_SIZE,
+ iobase + DAS16M1_82C55, iobase + DAS16M1_82C55 + DAS16M1_SIZE2);
if (!request_region(iobase, DAS16M1_SIZE, driver_das16m1.driver_name)) {
printk(" I/O port conflict\n");
return -EIO;
}
if (!request_region(iobase + DAS16M1_82C55, DAS16M1_SIZE2,
- driver_das16m1.driver_name)) {
+ driver_das16m1.driver_name)) {
release_region(iobase, DAS16M1_SIZE);
printk(" I/O port conflict\n");
return -EIO;
@@ -682,7 +696,7 @@ static int das16m1_attach(struct comedi_device *dev, struct comedi_devconfig *it
printk(", no irq\n");
} else {
printk(", invalid irq\n"
- " valid irqs are 2, 3, 5, 7, 10, 11, 12, or 15\n");
+ " valid irqs are 2, 3, 5, 7, 10, 11, 12, or 15\n");
return -EINVAL;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.